package com.zhou.sharingjdbc.service;

import com.zhou.sharingjdbc.dao.entity.Dm;

import java.util.List;

/**
 * @author zhouyongjun
 * @date 2021/3/3019:13
 * @Description:
 */
public interface IDmService {
    Dm getDmById(Integer id);
    List<Dm> getAll();
    boolean addDm(Dm dm);
    boolean deleteDm(Integer id);
}
